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Marquise|Natural|GIA

1.00ct E SI2 Marquise Natural Diamond

ID • E/SI2 • GIA 1565103744

Certificate GIA 1565103744

Diamond specifications and retailer prices

From £1,911 GBP
As of November 4, 2026
Save £2,512 GBP (57%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £4,423 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural marquise diamond

This 1ct natural marquise sits in the classic one-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1565103744. Listed at 14 retailers as of November 4, 2026, with prices from £1,911 to £4,423, a £2,512 spread on the same certified stone. NZ Jewellers lists it at £4,423. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.00
Carat
E
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1565103744
Dimensions10.05 × 5.14 × 3.14 mm
L/W Ratio1.96
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Crystal
Top View
10.05 mm5.14 mm1.00 ctE / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1565103744
Side View
Table 59.0%CrownGirdle: THK-XTKPavilionCulet: NoneDepth 61.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £4,423 GBP|Low: £1,887 GBP|High: £4,452 GBP|Avg: £2,733 GBP|-0.7%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 5, 2026
Retailer 8£1,911 GBP
Retailer 6£1,919 GBP
Retailer 9£2,222 GBP
Retailer 3£2,343 GBP
Retailer 4£2,367 GBP
Retailer 2£2,494 GBP
Retailer 11£2,539 GBP
Retailer 10£2,636 GBP
Retailer 13£2,662 GBP
Retailer 12£2,713 GBP
Retailer 5£2,930 GBP
Retailer 7£4,234 GBP
NZ Jewellers£4,423 GBP

39 data points across 13 retailers

14 retailers£1,911 GBP to £4,423 GBP

A
Cheapest Retailer
-
£1,911 GBP
A
Retailer 2
-
£1,919 GBP
View
A
Retailer 3
-
£2,142 GBP
View
Retailer 4
-
£2,222 GBP
View
Price last confirmed 9 days ago
B+
Retailer 5
-
£2,343 GBP
View
Final sale: no returns
A
Retailer 6
-
£2,367 GBP
View
A
Retailer 7
-
£2,494 GBP
View
A
Retailer 8
-
£2,539 GBP
View
B+
Retailer 9
-
£2,636 GBP
View
Retailer 10
-
£2,662 GBP
View
Price last confirmed 10 days ago
B+
Retailer 11
-
£2,713 GBP
View
B+
Retailer 12
-
£2,930 GBP
View
B
Retailer 13
-
£4,234 GBP
View
Most Expensive
B
NZ Jewellers
6020ebf8-d949-4322-a350-7e4c8af508f7 · Nov 5
£4,423 GBP
$5,953 USD
View
13 more retailers have this diamond
Prices start from £1,911 GBPSave up to £2,512 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.00ct Marquise
£1,911 GBP